9

Contrast Filter 343
Order group
Label—Lets you give the event a unique name. A
unique name can make it easier to distinguish the
loopeventinalonglistofevents.
•
Loop—(The default.) Repeats the child event by
start ing it over when the child event reaches the
end of its range.
•
Ping Pong—Repeats the child event by playing
it first forward, then backward, then forward,
and so on. The last frame of the child event is
not repeated.
Number of Times group
Specifies the number of times to repeat the loop
or ping pong, in addition to the first time that the
child event is played.
Video Post Parameters group
V P Star t T ime/End T ime—Set the star ting and
ending frames for the selected event within the
overall Video Post queue. Video Post renders the
event over the number of frames specified here.
Enabled—Enables or disables the event. When
turned off, the event is disabled and Video Post
ignores it when rendering the queue. Each event
must b e disabled individually. For example,
disabling a composite layer event does not disable
the composited image events. The range bars of
disabled events are unavailable in the event track
area.
Filt er E vents
Contrast Filter
Rendering menu > Video Post > Video Post toolbar > Add
Image Filter Event > Choose Contrast Filter from the Filter
Plug-In list.
Rendering menu > Video Post > Video Post window
> Select a Contrast Filter. > Video Post toolbar > Edit
Current Event > Setup
The Contrast filter allows you to adjust the contrast
and brightness of an image.
Interfa ce
Co ntrast—Set the spinner between 0 and 1.0.
Thiscompressesorexpandsthelatitudebetween
maximum black and maximum white by creating a
16-bit lo ok-up table for any given gray value in the
image. The computation of the gray value depends
on whether you select Absolute or Derived.